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Bushnell BTR-2 manuel d'utilisation

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Table des matières du manuel d’utilisation

  • Page 1

    PROUD USA COMP ANY 03-13 This manual should only be used for Elite T actical Riflescopes with illuminated reticles: Illuminated Mil Dot T actical Reticle BTR-Mil™ Bushnell T actical Reticle BTR-1™ Bushnell T actical Reticle BTR-2™ Bushnell T actical Reticle[...]

  • Page 2

    2 Contents Page # Parts Guide 4-5 F ast Focus Eyepiec e 6 Pow er Change Ring 6 Side Focus (P arallax) 6 First F ocal Plane and Second Focal P lane Reticles 7 Bore Sighting and Zeroing the Scope 7-8 Elevation and Windage T arget T urrets (3-12x44 & 6-24x50 models) 9-10 Elevation and Windage Finger T ouch Adjustments (1-6.5x24 models) 11 Elevatio[...]

  • Page 3

    3 T ABLE OF CONTENTS Contents Page # Using the BTR-2 F irst Focal Plane T actical Reticle T actical Reticle (ET1624J / ET18524) 22 Using the BTR-2 Second F ocal Plane T actical Reticle T actical R eticle (ET1624SJ ) 24 Maintenance and Storage 26 Mil Dot Appendix : Using Mil D ot Reticles for Ranging 27 Mil Dot Appendix: Converting T rajec tory Data[...]

  • Page 4

    4 P ARTS GUIDE Fast Focus Eyepiece Power Change Ring Side Focus Adjustment Windage T arget T urret Brightness Dial w/ Battery Cover Models with Side Focus (3-12x44, 6-24x50) Elevation T arget T urret[...]

  • Page 5

    5 Elevation Adj. Windage Adj. Brightness Dial w/Battery Cover 1-8.5x24 1-6.5x24 (w/Finger touch adj. caps) Models w/o Side Focus Fast Focus Eyepiece Power Change Ring Brightness Dial w/Battery Cover Elevation Adj. (T -Lok) Windage Adj. (T -Lok) P ARTS GUIDE[...]

  • Page 6

    6 F AST FOCUS EYEPIECE The fast-focus eyepiece dial is found on the ocular end of the Bushnell Elite T actical Riflescope. Use this adjustment to obtain a reticle image that appears sharp to your eyes. If adjustment is needed, look at a distant object for several seconds without using your scope. Then, shift your vision quickly , looking through t[...]

  • Page 7

    7 Please note the distance markings on the dial are intended as reference points only . Exact side focus adjustments may be needed after making adjustments to the eyepiece in order to achieve a high resolution, parallax free image. FIRST FOCAL PLANE AND SECOND FOC AL PLANE RETICLES Some models of Bushnell Elite T actical Riflescopes described this[...]

  • Page 8

    8 In the example to the left using the BTR-Mil reticle, the shooter was attempting to hit a target in the center of the crosshairs. The actual point of impact hit 4 Mils down and 3 Mils left, as indicated by the red dot. Adjust the elevation dial 4 Mils up/windage dial 3 Mils right. Another way to accomplish this is to return the weapon to the orig[...]

  • Page 9

    9 ELEV A TION AND WIND AGE T ARGET TURRETS (3-12x44 & 6-24x50 MODELS) Selected models of Bushnell Elite T actical Riflescope with illuminated reticle feature target style adjustment turrets, which provide audible and visual references. The turrets can be rotated in either direction to make appropriate adjustments. Each turn of the turret provi[...]

  • Page 10

    10 A B C Adjustment Scale Index Line[...]

  • Page 11

    11 ELEV A TION AND WIND AGE FINGER TOUCH ADJUSTMENTS (1-6.5x24 MODELS) 1-6.5x24 models of the Bushnell Elite T actical Riflescope with illuminated reticle feature finger-adjustable, audible-click elevation and windage adjustments. T o adjust the elevation or winda ge: 1. Remove the covers from the Elevation and Windage Adjustments. 2. Grasp the A[...]

  • Page 12

    12 ELEV A TION AND WIND AGE T -LOK™ TURRETS (ET18524) The model# ET18524 Bushnell Elite T actical Riflescope features T -Lok™ (locking) turrets, which provide audible and visual references. When a turret is lifted (elevated) into the upward position it can be rotated in either direction to make appropria te adjustments. Each turn of the turret[...]

  • Page 13

    13 STEP 1 STEP 2 STEP 4 STEP 3 ELEV A TION AND WIND AGE T -LOK™ TURRETS (ET18524)[...]

  • Page 14

    14 USING THE MIL DOT RETICLE (ET3124F / ET6245F) Y our Bushnell riflescope contains a mil-dot reticle (1st focal plane), the most accurate means of range estimation using a manual optical device. These mil dots also allow precise leads for moving targets and exact compensation for shooting in a crosswind. RETICLE DESCRIPTION The middle of this ret[...]

  • Page 15

    15 height or width carefully in mils, c ompute it according to the formula and y ou will nd its range. Support your rie and be precise when measuring objects; any measuring error causes an error in the comput ed range. Equally , a mistake in estimating the object size r esults in a proportional range error . Here ’ s an example: A coyote is[...]

  • Page 16

    16 The Mil Dot Reticle Measurement System in the F irst Focal Plane Applies at any Ma gnification Level. 2 Mils at 12x (100 yards) 2 Mils at 3.5x (100 yards)[...]

  • Page 17

    17 USING THE BTR-MIL™ BALLISTIC T ACTICAL RETICLE (ET3124FJ / ET6245FJ) The Bushnell BTR-Mil™ Ballistic T actical Reticle is a hashmarked reticle that uses mrad based subtension lines for ranging, holdover and windage corrections. The illuminated 1 mil diameter circle with .1 mil center dot provides an unobstructed view of the target with 10 il[...]

  • Page 18

    18 USING THE BTR-1 T ACTICAL RETICLE IN A FIRST FOCAL PLANE SCOPE (ET1624F) Elite T actical model ET1624F with the BTR-1 T actical Reticle is designed to be sighted-in at 100 yards (or meters), and provides hold over points out to 600 meters. This reticle is calibrated for use with 223 Rem/5.56 ammunition loaded with 55-62 grain bullets. Because th[...]

  • Page 19

    19 Fig. 2 Fig. 1 300 METERS 400 METERS 500 METERS 600 METERS 100 METERS/Y ARDS Note: the scope should be zeroed at 100 Meters/Y ards[...]

  • Page 20

    20 USING THE BTR-1 T ACTICAL RETICLE IN A SECOND FOCAL PLANE SCOPE ( ET1624SF) Elite T actical model ET1624SF with the BTR-1 T actical Reticle is designed to be sighted-in at 100 meters/yards, and provides hold over points out to 600 meters. This reticle is calibrated for use with 223 Rem/5.56 ammunition loaded with 55-62 grain bullets. The reticle[...]

  • Page 21

    21 Fig. 2 Fig. 1 Note: the scope should be zeroed at 100 Meters/Y ards 300 METERS 400 METERS 500 METERS 600 METERS 100 METERS/Y ARDS[...]

  • Page 22

    22 The BTR-2 reticle in first focal plane is an excellent choice for shooters needing maximum flexibility in a riflescope. This reticle in the first focal plane combines the close range benefits of a red dot sight with the long range capabilities offered by mrad based ranging reticle. The center horseshoe provides an unobstructed aiming point [...]

  • Page 23

    23 Center dot measures .3 mils at highest power setting (6.5x or 8.5x, depending on model) BTR-2 @ 1x BTR-2 @ 6.5x[...]

  • Page 24

    24 The BTR-2 reticle in second focal plane is an excellent choice for shooters needing maximum flexibility in a riflescope. This retic le in the second focal plane combines an illuminated red dot with a mil hash platform. The center horseshoe provides an unobstructed aiming point that is effective in both CQB scenarios and if targets are encounte[...]

  • Page 25

    25[...]

  • Page 26

    26 MAINTENANCE Y our Bushnell Elite T actical riflescope, though amazingly tough, is a precision instrument that deserves reasonably cautious care. 1. When cleaning the lenses, first blow a way any dry dirt and dust, or use a soft lens brush. Fingerprints and lubricants can be wiped off with lens tissue, or a soft clean cloth, moistened with lens[...]

  • Page 27

    27 USING MIL DOT RETICLES FOR RANGING The Equations: Size of target in yards X 1000 = Range in Y ards Size of T arget in Mils Size of target in inches X 27.778 = Range in Y ards Size of target in Mils Size of target in inches X 25.4 = Range in Meters Size of target in Mils Example 1: Looking through the riflescope, I located a preset target tha t [...]

  • Page 28

    28 Example 2: T ake the same size target but no w the Mil reading is .75 (from crosshair intersection to bottom of first Mil Dot). Known size of target: 12”x 12” Mil Reading: .75 Mil 12 X 27.778 .75 Mil CONVERTING TRAJECTOR Y DA T A TO MIL HOLDOVERS T o calcula te holdovers you must first obtain your round’ s trajectory data. Look at the am[...]

  • Page 29

    29 T rajector y Mil Size at given Distance FEDERAL .308 168-GR BTHP HOLDOVERS FOR A MIL-DOT RETICLE (Cartridge T able Example) Distance T rajector y 1 Mil Size Actual Holdover 100 Y ards 0 0 Mils 0 Mils 200 Y ards 4.5” 7.2 Mils .62 Mils 300 Y ards 15.9” 10.8 Mils 1.47 Mils 400 Y ards 35.5” 14.4 Mils 2.46 Mils 500 Y ards 64.6” 18.0 Mils 3.58[...]

  • Page 30

    30 USING MIL DOT RETICLES FOR HOLDOVER Once you know how to range your target with a Mil Dot reticle, and using the previous example, you can use the reticle instead of the turrets to make adjustments with holdover . For example, your range tells you that the 12” target is 300 yards away , (12”*27.778) / (1.1Mil). Based on the Federal .308 Win [...]

  • Page 31

    31 ELITE ® LIFETIME LIMITED WARRANTY We ar e so proud of our Bushnell ® ELITE ® T ac tical Riescopes that their materials and workmanship ar e warranted to be free of defects for the life of the ELITE Tactical Riescope. T he warranty is available to any o wner of the ELITE T actical Riescope. No receipt or warranty card is requir ed. Th[...]

  • Page 32

    For further questions or additional information please contact: Bushnell Outdoor Products 9200 Cody , Overland P ark, Kansas 66214 (800) 423-3537 www .bushnell.com ©2013 Bushnell Outdoor Products[...]